#pragma once
#include <iostream>
#include <pthread.h>
#include <unistd.h>

class Mutex
{
public:
    Mutex(pthread_mutex_t *lock_p=nullptr):lock_p_(lock_p)
    {}
    
    void lock()
    {
        if(lock_p_) pthread_mutex_lock(lock_p_);
    }

    void unlock()
    {
        if(lock_p_) pthread_mutex_unlock(lock_p_);
    }

    ~Mutex()
    {

    }
private:
    pthread_mutex_t *lock_p_;
};

class LockGuard
{
public:
    LockGuard(pthread_mutex_t *mutex):mutex_(mutex)
    {
        mutex_.lock();//在构造函数中加锁
    }

    ~LockGuard()
    {
        mutex_.unlock();//在析构函数中解锁
    }

private:
    Mutex mutex_;
};
